. Carnegie Institution of Washington publication. COBALT GLASS. 103 emission spectrum is conspicuous for two regions of strong emissivity at and 5 n, respectively, with a deep depression at pt. The emission bands at , , 5, , and /1 are not well resolved, but their presence can not be 2 3 4 5 6 Fig. 70. — Glass (a); Magnesia. 9/1 Glass (Cobalt Blue). (Rod 12 by 2 mm. Energy supplied, and watts. Curves a and b, fig. 71.) This rod was heated to a dull red. The emission spectrum is quite different from that of soft glass, but there are not such prominent band
. Carnegie Institution of Washington publication. COBALT GLASS. 103 emission spectrum is conspicuous for two regions of strong emissivity at and 5 n, respectively, with a deep depression at pt. The emission bands at , , 5, , and /1 are not well resolved, but their presence can not be 2 3 4 5 6 Fig. 70. — Glass (a); Magnesia. 9/1 Glass (Cobalt Blue). (Rod 12 by 2 mm. Energy supplied, and watts. Curves a and b, fig. 71.) This rod was heated to a dull red. The emission spectrum is quite different from that of soft glass, but there are not such prominent bands >6 14 12 10 X OJ o *w r\ a , I \ A v ^> A \ \ \ V s. 1' 1 r \ 1/. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Carnegie Institution of Washington. Washington, Carnegie Institution of Washington
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